Upgrade to Apache CXF 2.7.4 + fixes to OOME in RemoteDeployer

* Make sure the ModelControllerClient is properly closed to avoid OOME in RemoteDeployer
* Upgrade to CXF 2.7.4, Woodstox 4.2.0, WSDL4J 1.6.3, WSS4J 1.6.10, Santuario 1.5.4